package main

func combineAlpha(b1 []byte) []byte {
	b2 := alpha(4)
	b3 := []byte{}
	i := 0
	for _, v2 := range b2 {
		b3 = append(b3, v2)
		for i < len(b1) {
			b3 = append(b3, b1[i])
			i++
			break
		}
	}
	return b3
}
